CASIO G-SHOCK - Checkout the Gravity Master Watches from Master of G Series. This model features a new type of World Time function that is designed with international pilots in mind. In
CASIO G-SHOCK GA-1100-1AJF Master of G GRAVITYMASTER SKY COCKPIT Watch Men's | eBay
G-Shock GA-1100GB-1A, GG-1000GB-1A, GN-1000GB-1A: Black and Gold Master of G Twin Sensor Series
How To Set Time On Casio G-Shock In 10 Seconds (Simple Manual) - YouTube